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A chemical reaction takes place in a ves...

A chemical reaction takes place in a vessel of cross-sectional area 150 `cm^2`. Due to the reaction , the piston of the vessel is moved upward by 15 cm against the external pressure of one atm. The work done by the system is

A

-3.35 L-atm

B

+3.35 L-atm

C

-2.25 L-atm

D

-5.51 L-atm

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AAKASH INSTITUTE ENGLISH-TEST 3-EXERCISE
  1. Which among the following is an intensive property?

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  2. The amount of heat required to raise the temperature of 75 kg of ice a...

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  3. A chemical reaction takes place in a vessel of cross-sectional area 15...

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  4. Five moles of an ideal gas undergoes reversible expansion from 1 L to ...

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  5. Enthalpy of which of the following reactions does not represent the st...

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  6. One mole of an ideal gas undergoes change of state from (4 L, 3 atm) t...

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  7. The difference between heat of reaction at constant pressure and at co...

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  8. According to kinetic theory of gases, the incorrect statement is

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  9. The most probable speed of an ideal gas at constant pressure varies wi...

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  10. At high pressure, the compressibility factor for one mole of van der w...

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  11. The correct thermodynamic conditions for the spontaneous reaction at a...

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  12. A closed cylinder contains 40 g of SO2, and 4 g of helium gas at 375 K...

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  13. In the electrolysis of H2O , 11.2 liters of H2 was liberated at cathod...

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  14. Which among the following will boil at highest temperature?

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  15. If 200 ml of 0.1 MH2SO4 solution is mixed with 200 ml of 0.15 M NaOH s...

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  16. Unit of surface tension is

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  17. For which of the following processes, entropy change is negative?

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  18. A liquid is in equilibrium with its vapour at a certain temperature. I...

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  19. The work done by one mole of ideal gas when its teperature is increase...

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  20. Standard enthalpy of formation is zero for

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